RHD*01N.67 - RHD*(2-10)
(ISBT table: RHD negative v4.0)
This entry is an RHD allele.
RHD(del Ex1), RHD(delEx1), RHD*(2-10), RHD*Ex1del, RHD*Ex1del (RHD*01N.67), RHDex1del type 1,
Molecular data
Nucleotides:
exon deletion(s);
Amino acids: exon deletion(s) 1;
Hybrid allele encompassing at least one RHCE exon:
del(Ex1)-RHD(2-10)
Comments on the molecular basis:
- 18450 bp deletion encompassing the upstream Rhesus box, 5′ UTR, exon 1, and part of intron 1 of the RHD gene
- suspected allele, heterozygous with RHef00448
- allele suspected, not proven
- listed as "RHD Exon 1 no amplification"
Extracellular position of one or more amino acid substitutions:
Splicing:
Unconventional prediction methods:
Phenotype
Main D phenotype: DEL (last update: Nov. 17, 2019)Reports by D phenotype
Other RH phenotypes: RH:-2, -3, -12,
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: ce (last update: Jan. 8, 2021)Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: no published cases (last update: Nov. 17, 2019)Detailed information
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: exceptional description(s), compatible with African descent (last update: Dec. 22, 2019)Detailed reports
- 1/37782 270 women with variant alleles among 37782 women with D negative phenotype, tested by quantitative fetal RHD genotyping designed to detect RHD exons 5 and 7 in the Dutch population
- 1 sample donor with D negative phenotype African American
- 1 homozygote among 278 samples selected for the development of nonspecific quantitative next-generation sequencing. (non-random samples, may have been reported in other studies)
Allele or phenotype frequency
Structure mapping
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References
- International Society of Blood Transfusion et al. International Society of Blood Transfusion (ISBT) allele table Online ressource, 1935. — Online ressource — [RHeference]
- Stegmann TC et al. Frequency and characterization of known and novel RHD variant alleles in 37 782 Dutch D-negative pregnant women. Br J Haematol, 2016. [Citation] [RHeference]
- Srivastava K et al. Two large deletions extending beyond either end of the RHD gene and their red cell phenotypes. J Hum Genet, 2018. [Citation] [RHeference]
- Izaskun Apraiz et al. Performance Evaluation Study of ID RHD XT as a Molecular Tool for RHD Gene Screening in Pooled Blood Samples of Serologically D− C/E+ Donors Transfusion, 2019. — Abstract — [RHeference]
- Stef M et al. RH genotyping by nonspecific quantitative next-generation sequencing. Transfusion, 2020. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
Last update: Jan. 8, 2021